Finding the Third Proportional to 14,686,864 and 31,813,664

Step by Step Solution

1. Step 1: Write the proportion equation
   14,686,864 : 31,813,664 = 31,813,664 : x
2. Step 2: Convert to fraction form
   14,686,864/31,813,664 = 31,813,664/x
3. Step 3: Cross multiply
   14,686,864x = 31,813,664 × 31,813,664
4. Step 4: Simplify right side
   14,686,864x = 1,012,109,217,104,896
5. Step 5: Solve for x
   x = 1,012,109,217,104,896/14,686,864
6. Step 6: Final answer
   x = 68,912,547.78